COLOR CENTER DIAMOND CRYSTAL - AN OVERVIEW

The spectra have already been offset for clarity, and the whole built-in absorption is similar at the two temperatures.Photoluminescence spectroscopy reveals that unstable defects are eradicated by HPHT treatment method of Variety IIa brown diamonds to decolorize them. On top of that, the NV�?NV0 ratio raises to >one in treated diamonds (as calcu